Transcription of REDUCTION-OXIDATION TITRATIONS - cffet.net
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REDUCTION-OXIDATION TITRATIONS - cffet.net
chapter 4. REDUCTION-OXIDATION TITRATIONS . A REDUCTION-OXIDATION reaction (Redox reaction) involves the transfer of an electron(s) from species in the reaction to another. Redox reactions allow TITRATIONS of analytes that cannot be determined by acid-base reactions. These include: Metal ions such as Cu2+. Anions such as nitrite Neutral or weakly acidic organic species such as Vitamin C. You should revise the following terms and concepts which were introduced in your Introductory chemistry classes, as they form the basis of the theory of Redox reactions Terminology: oxidation reduction Oxidant Reductant Oxidising agent Reducing agent oxidation number Half equation Overall equation You should be able to determine oxidation numbers and be able to use these to determine if a species has been oxidised or reduced during a reaction. Determine the oxidation number of the metal in the following species: Mn Mn2+. MnO4- MnO2. You also need to be able to work with half equations by selecting the correct ones, combining them to form balanced overall equations.
Chapter 4 26 REDUCTION-OXIDATION TITRATIONS A reduction-oxidation reaction (Redox reaction) involves the transfer of an electron(s) from species in …
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